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In many poverty areas of the world, kids are difficult to get good education and study. Carton is one of the most common load that uses to load relief material to poverty areas. By applying a simple operation to waste carton, which can turn it into educational jigsaw puzzles.It provides aid material to poverty areas, and it also
able to provides more educational and learning opportunities for children.
Wang fuheng Zhou wensheng Liang huaimin Xu ying